Cubs ticket stubs, Harry Caray photos and other Chicago sports paraphernalia line the walls of Mile High Vienna Stand, channeling the city that's famous for a favorite sports snack: the Chicago dog. Naturally, that's what Mile High Vienna serves. The bona fide Chicago dog starts with a pungent Vienna beef dog, then adds chopped white onions, pickled sport peppers squirting seeds and juice, nuclear-green sweet relish, a dill pickle spear, thin slices of translucent tomato, a ribbon of mustard and a healthy dusting of celery salt, all piled on a perfectly steamed poppyseed bun. Served with a clip of fries, it's as close as you'll get to the Windy City without leaving the Mile High.